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28 August, 11:00

The united states government produced about 10.25 billion pennies one year.

how is 10.25 written in scientific notation?

that same year, about 3.0*10^7 half-dollars were produced. how many more pennies were produced that year than half-dollar? explain how u know

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  1. 28 August, 14:23
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    1) 10.25 x 10^9 in scientific notation is 1.025 x 10^10

    2) Now you have to subtract 10.25x10^9 - 3.0x10^7

    To make that you have to put both numbers with the same power of ten.

    1025x10^7 - 3.0x10^7 = 1022x10^7 more pennies than half-dollars.
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